Seismic sensor node



FIG. 1 is a top-right perspective view of the design for the seismic sensor node, showing a probe and antenna stowed;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top-right perspective view of the battery pack of FIGS. 1 through 7, but showing the probe and antenna deployed. 

CLAIM The ornamental design for a seismic sensor node, substantially as shown and described. 